Directional spool valves type WE6 electrically. operated type WE6 series 32

Transcription

1 Directional spool valve electrically operated type WE6 series NS 6 up to 1,5 Ma up to 80 dm /min WK LICION Directional spool valves type WE6 electrically operated are intended for change in direction of fluid flow in a hydraulic system and thus it allows to change direction of movement of a receiver - mostly piston rod of a cylinder or hydraulic motor as well to use functions: on and off. hese directional spool valves are used for subplate mounting in any pos in a hydraulic system. DESCRIION OF OERION 4WE6 E -/G4NZ4 a b Main elements of directional spool valve type WE6 are: housing (1), solenoids (), control spool (), centering springs (4) and manual overrides (5). he spool () is shifted when it is moved into one of end by the force of solenoid () affecting it. he return of the spool into neutral pos and centering are secured by the centering springs (4). he shape of the spool (control edge spacing) affects the configuration of connections among the ports:,, and. Function of ports,,, : - supply port - oil return to the tank, - ports for a receiver In case of emergency, the spool can be shifted manually by means of the override (5). When the situation is anticipated, directional spool valve must be mounted in the way as to be available. 6 WE6 -/OF OF - only for spools:, C, D. -pos directional spool valve without return springs with detent. he spool () is posed and supported with detent (6), and its shift results from supplying voltage to one solenoid (). ype WE6s - 1 -

2 DESCRIION OF OERION WE6 -/O O - only for spools:, C, D. -pos directional spool valve without return springs. he spool is posed and supported with attached solenoid. here is no neutral pos as the spool is not posed. WE6 -/ - directional spool valve designation like that, has throttle insert in port. ECHNICL D Hydraulic fluid Required filtr f ltrat ation Recommended filtration Switching time Maximum switching frequency mineral oil up to t 16 µm up to 10 µm Nominal fluid viscosity o 7 mm /s at temperature 55 C Viscosity range Fluid temperature range (in a tank),8 up to 80 mm /s recommended o o 40 C up to 55 C max -0 C up to +70 C mbient temperature range - 0 up to +50 o C o C Maxim imum operat ating pressure Weight Supp upply volt ltage for f sole lenoid ids Supply voltage tolerances ±10% ower requirement (DC) 0 W ports s,, 1,5 Ma port 1 Ma ON up to 60 ms OFF up to 40 ms on/h with 1 solenoid max 1,5 kg with solenoids max,1 kg 1V DC, 4V DC Insulat ation I 65 Solenoid coil temperature max 150 C SSEMLY ND LICION REQUIREMENS 1. Only valve properly and suitably installed may be connected to an electric system. Only skilled workers are allowed to connect and disconnect electric system.. It is forbidden to apply directional spool valve if the supply cable in the gland of plug-in in- connector is not properly tightened.. It is forbidden to apply directional spool valve if the plug-in in-connector is not properly tightened to the solenoid socket and is not secured by screwing bolt tightly. 4. Due to heating solenoid coils, directional spool valves should be placed in order to eliminate the possibility of incidental touch while using, or, they should be equipped with the coil covers (in accordance with the European standards N - EN ISO 17-1 and N - EN 98). - - ype WE6s

3 SCHEMES Graphic symbols for - pos directional spool valves Graphic symbols for - pos directional spool valves WE6...-/... a a 0 b b WE6... -/... a a 0 WE6... -/... 0 b Grap aphic symb ymbols for spools b and indirect a 0 b a 0 b a 0 a 0 0 b E and indirect E and indirect 0 b E F G H J L M U F G H J L M U F G H J L M U ype WE6s - -

4 SCHEMES Graphic symbols for - pos directional spool valves WE6...-/... a a b WE6...-/O... a a b b WE6...-/OF... a a b b Grap aphic symb ymbols for spools WE6...-/... a b b and indirect and indirect a b a b a b a b a b a b a b C D a b Y ype WE6s

5 OVERLL ND CONNECION DIMENSIONS 4 O9,4-4 depth holes O5, - 4 holes a b , ,75 40, ,7 45 (min) 9 M5 gł 10-4 holes O7,6 (max) - 4 holes (,,,) 19 7,8 40,5 7 (min) 10, r 0,01/100 mm 0,6 0,75 5,95 16,5 17 (min) 10 6,55 1,75,5 1 - Solenoid a - Solenoid b - lug-in-connector a (ISO 4400 type) 4 - lug-in-connector b (ISO 4400 type) 5 - O-ring 9, x 1,8-4 pcs/kit 6 - Directional spool valve size with solen s olenoids oids - a, b -positi directional spool valve ve springs centere d (spool schemes: E,F,G,H, J, L,M,,U - according to page ) -positi directional spool valve ve witho hout return springs -positi directional spool valve ve witho hout springs and with detent ent (spool schemes:, C, D - according to page 4) 7 - Directional spool valve size with 1 solen s olenoid oid - a -positi springs centered (spool schemes:, C, D, E, F, G, H, J, L, M,, U - according to page and 4) 8 - Directional spool valve size with 1 solen s olenoid oid - b -pos -positi springs centered (spool schemes:, Y, E, F, G, H, J, L, M,, U - according to page and 4) 9 - orting pattern for directional spool valve configuration of connection holes in accordance with the following standards: CEO R H - identified by CEO (nominal size CEO 0) 0 ISO identified by ISO mounting bolts M5 x in accordance with N -EN ISO pcs/kit, tightening torque Md = 9Nm Subplate surface required ype WE6s - 5 -

6 ERFORMNCE CURVES o measured at viscosity ν = 41 mm /s and temperature t = 50 C Flow resist stance curc urves p [Ma] Characteristic curves p(q) for directional spool valves type WE /... for various spool types , 1,0 0,8 0,6 0,4 0, Q [dm /min in] Spool ol type shifted schemes according to page, 4, C D, Y E F G H J L M U central pos scheme according to page G erforma ormance diagram number flow direction - flow direction Flow lim imit its s curves Characteristic curves p-q for directional spool valves type WE /... with DC solenoids for various spool types p [Ma] 1, 1, Q [dm /min / min] 1 5 Spool l type erform ormance schemes according diagr agram am number to page, 4 C, E, D, Y 1 H, M,, L, U, C/OF, D/OF C/O, D/OD F, 4, 5 /O 6 J 7 G 8 p [Ma] 1, 1, Q [dm /min / min] NOES: bove flow limits are related to symmetrical flow through all ports i.e. if the oil flows from port to port, then the same flow rate is from port to port (applied to directional control valves with 4 service ports). Degree of asymmetry affects adversely the parameters ype WE6s

7 HOW O ORDER Number of service ports -way - for spools, = 4-way - for the other spools = 4 WE 6 * Nominal size (NS) NS6 = 6 Spool type spool schemes - according to page, 4 Series number (0-9) - connection and installation dimensions unchanged = X series = Spool posing spring centering without springs return without springs return with detent = no designation = O = OF Control voltage for solenoids 1V DC = G1 4V DC = G4 Manual override solenoids with manual override = N Electrical connection plug-in-connector ISO 4400 type without LED = Z4 plug-in-connector ISO 4400 type with LED = Z4L hrottle insert (in port ) without throttle insert = no designation throttle insert φ 0,8 = 08 throttle insert φ 1,0 = 10 throttle insert φ 1, = 1 Sealing NR (for fluids on mineral oil base) FM (for fluids on phosphate ester base) = no designation = V Further requirements in clear text (to be agreed with the manufacturer) NOES: Directional spool valve should be ordered according to the above coding. he symbols in bold are preferred versions in short delivery time. Coding example: 4WE6 E - /G4 N Z ype WE6s

8 EXMLE OF LICION IN HYDRULIC SYSEM 4WE6 J... M SULES ND MOUNING OLS Subplates must be ordered according to the data sheet WK Subplates: G 41/01 - threaded connection G 1/4 G 4/01 - threaded connection G /8 G 50/01 - przyłącza gwintowe G 1/ G 41/0 - threaded connection M14 x1,5 G 4/0 - threaded connection M16 x1,5 Subplates and bolts fixing directional valve M5 x 50-10, 0,9 in accordance with N - EN ISO pcs/kit) must be ordered separately. ightening torque for bolts: Md = 9 Nm NOE: he subp ubplate symbol in bold b is s the t preferred vers ion availab able in short delivery time. t ONR Wadowice S.. ul. Wojska olskiego Wadowice tel fax ype WE6s